"Would we penetrate farther, and agitate the soul, we must exhibit only some vivid strokes, some expressive features, not decorated as for show (all ostentation being both despicable and hurtful here), but such as appear the natural exposition of those bright and deep impressions, made by the subject upon the speaker's mind; for here the end is not pleasure, but emotion."
— Campbell, George (1719-1796)
(I, pp. 36-7)
The Philosophy of Rhetoric. By George Campbell, 2 vols. (London: Printed for W. Strahan; and T. Cadell, 1776). <Link to ESTC>